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Optical spectroscopy has been the primary tool to study the electronic structure of molecules. However the strict spin selection rule has severely limited its ability to access states of different spin multiplicities. Here we propose a new…

Mesoscale and Nanoscale Physics · Physics 2019-09-16 Sai Duan , Zilvinas Rinkevicius , Yi Luo

When a light beam is strongly laterally confined, its field vector spins in a plane not perpendicular to the propagation direction, leading to the presence of transverse spin angular momentum, which plays a crucial role in the field of…

Optics · Physics 2022-06-29 Jinhong Liu , Jinze Wu

Scanning Probe Microscopy is used to study and quantify the nanoscale electric phenomena in the two classes of oxide systems, namely transport at electroactive grain boundaries and surface behavior of ferroelectric materials. Scanning…

Materials Science · Physics 2007-05-23 Sergei V. Kalinin

Spin fluctuations are a leading candidate for the pairing mechanism in high temperature superconductors, supported by the common appearance of a distinct resonance in the spin susceptibility across the cuprates, iron-based superconductors…

We generalize the diffusive model for spin injection and detection in nonlocal spin structures to account for spin precession under an applied magnetic field in an anisotropic medium, for which the spin lifetime is not unique and depends on…

Mesoscale and Nanoscale Physics · Physics 2018-04-26 B. Raes , A. W. Cummings , F. Bonell , M. V. Costache , J. F. Sierra , S. Roche , S. O. Valenzuela

A new type of spectroscopy for high-resolution studies of spin waves that relies on resonant scattering of hard x-rays is introduced. The energy transfer in the scattering process is encoded in the precession of the polarization vector of…

Materials Science · Physics 2019-03-25 Ralf Röhlsberger

A model-independent approach capable of extracting spin-wave frequencies and displacement vectors from ensembles of supercell spin configurations is presented. The method is appropriate for those systems whose spin-dynamical motion is well…

Other Condensed Matter · Physics 2007-05-23 Andrew L. Goodwin , Martin T. Dove , Matthew G. Tucker , David A. Keen

Quantum control of individual spins in condensed matter systems is an emerging field with wide-ranging applications in spintronics, quantum computation, and sensitive magnetometry. Recent experiments have demonstrated the ability to address…

Mesoscale and Nanoscale Physics · Physics 2011-09-09 M. S. Grinolds , P. Maletinsky , S. Hong , M. D. Lukin , R. L Walsworth , A. Yacoby

We present a novel technique for the investigation of local variations of the critical current density in large bulk superconductors. In contrast to the usual Hall probe scanning technique, the sample is not magnetized as a whole before the…

Superconductivity · Physics 2016-08-31 M. Eisterer , S. Haindl , T. Wojcik , H. W. Weber

Spin accumulation and spin precession in single-layer graphene are studied by non-local spin valve measurements at room temperature. The dependence of the non-local magnetoresistance on electrode spacing is investigated and the results…

Mesoscale and Nanoscale Physics · Physics 2010-01-20 Wei Han , K. Pi , W. Bao , K. M. McCreary , Yan Li , W. H. Wang , C. N. Lau , R. K. Kawakami

Using time-resolved photoemission electron microscopy the excitation of uniform precession modes in individual domains of a weakly coupled spin-valve system has been studied. A coupling dependence of the precession frequencies has been…

Materials Science · Physics 2011-04-15 Alexander M. Kaiser , Carsten Wiemann , Stefan Cramm , Claus M. Schneider

Collision phenomena are ubiquitous and of importance in determining the microscopic structures and intermolecular interactions of atoms and molecules. The existing approaches are mostly based on atomic or molecular scatterings, which are…

Quantum Physics · Physics 2022-03-01 Shiming Song , Min Jiang , Yushu Qin , Yu Tong , Wenzhe Zhang , Xi Qin , Ren-Bao Liu , Xinhua Peng

The unusual electronic properties of single-layer graphene make it a promising material system for fundamental advances in physics, and an attractive platform for new device technologies. Graphene's spin transport properties are expected to…

Mesoscale and Nanoscale Physics · Physics 2009-10-23 Mark B. Lundeberg , Joshua A. Folk

Spin waves are promising candidates for information processing and transmission in a broad frequency range. In the realization of magnonic devices, the frequency depended division of the spin wave frequencies is a critical function for…

The spin inertia measurement is a recently emerged tool to study slow spin dynamics, which is based on the excitation of the system by a train of circularly polarized pulses with alternating helicity. Motivated by the experimental results…

Mesoscale and Nanoscale Physics · Physics 2018-09-19 D. S. Smirnov , E. A. Zhukov , E. Kirstein , D. R. Yakovlev , D. Reuter , A. D. Wieck , M. Bayer , A. Greilich , M. M. Glazov

We use a sensitive magneto-optical microscopy technique to image the magnetization response of micron-scale ferromagnetic disks to changes in applied magnetic field. This differential technique relies on a modulated applied magnetic field…

Mesoscale and Nanoscale Physics · Physics 2015-12-09 Robert Badea , Johnathon A. Frey , Jesse Berezovsky

We demonstrate quantitative magnetic field mapping with nanoscale resolution, by applying a lock-in technique on the electron spin resonance frequency of a single nitrogen-vacancy defect placed at the apex of an atomic force microscope tip.…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 L. Rondin , J. -P. Tetienne , P. Spinicelli , C. Dal Savio , K. Karrai , G. Dantelle , A. Thiaville , S. Rohart , J. -F. Roch , V. Jacques

Computational micromagnetics has become an indispensable tool for the theoretical investigation of magnetic structures. Classical micromagnetics has been successfully applied to a wide range of applications including magnetic storage media,…

Computational Physics · Physics 2019-05-29 Claas Abert

We address the problem of spin-resolved scattering through spin-orbit nanostructures in graphene, i.e., regions of inhomogeneous spin-orbit coupling on the nanometer scale. We discuss the phenomenon of spin-double refraction and its…

Mesoscale and Nanoscale Physics · Physics 2010-04-27 D. Bercioux , A. De Martino

Scanning probe microscopy is one of the most versatile windows into the nanoworld, providing imaging access to a variety of sample properties, depending on the probe employed. Tunneling probes map electronic properties of samples, magnetic…

Mesoscale and Nanoscale Physics · Physics 2015-01-09 Thomas Häberle , Dominik Schmid-Lorch , Friedemann Reinhard , Jörg Wrachtrup
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